package com.flyu.mySocket;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class TcpServerDome2 {
    public static void main(String[] args) throws Exception {
        // 1. 创建服务
        ServerSocket serverSocket = new ServerSocket(9999);
        // 2. 监听
        Socket socket = serverSocket.accept();
        // 3. 获取输入流
        InputStream is = socket.getInputStream();
        // 4. 文件输出
        FileOutputStream fos = new FileOutputStream(new File("receive.png"));// 保存文件
        byte[] buffer = new byte[1024];
        int len;
        while ((len=is.read(buffer))!=-1){
            fos.write(buffer,0, len);
        }

        // 通知客户端接收完毕
        OutputStream os = socket.getOutputStream();
        os.write("我接收完毕，你可以断开了".getBytes());


        // 5. 关闭资源
        fos.close();
        is.close();
        socket.close();
        serverSocket.close();
    }
}
